diff options
-rw-r--r-- | kernel/sched.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index c4bc8c210958..b387a8de26a5 100644 --- a/kernel/sched.c +++ b/kernel/sched.c | |||
@@ -1831,6 +1831,7 @@ static int try_to_wake_up(struct task_struct *p, unsigned int state, int sync) | |||
1831 | long old_state; | 1831 | long old_state; |
1832 | struct rq *rq; | 1832 | struct rq *rq; |
1833 | 1833 | ||
1834 | smp_wmb(); | ||
1834 | rq = task_rq_lock(p, &flags); | 1835 | rq = task_rq_lock(p, &flags); |
1835 | old_state = p->state; | 1836 | old_state = p->state; |
1836 | if (!(old_state & state)) | 1837 | if (!(old_state & state)) |